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Songshan MoSi2 heating elements

  • Categories:NEWS
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  • Time of issue:2021-03-22 09:27
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(Summary description)

Songshan MoSi2 heating elements

(Summary description)

  • Categories:NEWS
  • Author:
  • Origin:
  • Time of issue:2021-03-22 09:27
  • Views:
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Silicon carbide heating elements and Molybdenum disilicide heating elements are a new kind of electric heating elements, which are widely applied in different kinds of modern industrial kilns. Developing on the basis of modern industry, modern industrial kilns or furnaces, which are commonly used as thermal equipment, can be divided into continuous and intermittent according to operation, and flame heating and electric heating according to heating source.  Electric heating furnaces use heating wires, silicon carbide heating elements and molybdenum disilicide heating elements to convert electric energy into heat energy, which makes the temperature of inner chamber increase to the level needed and then finish the sintering or firing works. Because of advantages which are rather obvious, electric heating furnaces are more and more popular in various industries in recent years. Especially with the developing of the energy industry, refractory material industry, heating elements and automatic electrical control in the world-wide, the quality of electric industrial kilns have developed rapidly.

 

Compared with flame heating furnaces, electric industrial furnaces have the following advantages:

Firstly, from the point of designing, the flame heating furnaces relies on the combustion of fuel as a heat source, which makes the design of this furnace require calculations related to fuel and combustion equipment; at the same time, it also needs to supply combustion air to discharge combustion products considering related ventilation equipment. For electric heating furnaces, we need to first calculate the heating power required by the furnace according to the heating process requirements and the internal sizes of the furnace, and select the appropriate heating elements according to different heating temperature. The size and quantity of heating elements the furnace needed are determined according to the chamber space, and heating power allocated by a single heating element. Then finally selecting the power supply and control equipment according to the data of elements.

Generally speaking, heating wire is the main heating elements below 800C degrees; and for working temperature range from 800C to 1400C, silicon carbide heating elements( which are also called SiC heating elements) are the best choice considering the stable working performance, and the lifetime which may affect the cost of repairment and  normal production. Songshan SiC heating elements have the max temperature to 1500C, and stronger welding point which make a 30~50% longer lifetime than other brand SiC heating elements. For the temperature below 1100C, songshan SiC heating elements can work 13 to 20 months, and for the temperature below 1400C, songshan SiC heating elements can work 5 to 10 months.

For the range from 1400C degree to 1800C degree, molybdenum disilicide heating elements(which are also called MoSi2 heating elements) will be selected, the max temperature of Songshan MoSi2 heating elements is 1830C. For the temperature below 1600C, Songshan MoSi2 heating elements can work 12 to 36 months, and for the temperature below 1750C, Songshan MoSi2 heating elements can work 4 to 12 months.

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